4021103142 has 64 divisors (see below), whose sum is σ = 10429655040. Its totient is φ = 1124437248.

The previous prime is 4021103137. The next prime is 4021103147. The reversal of 4021103142 is 2413011204.

It is an interprime number because it is at equal distance from previous prime (4021103137) and next prime (4021103147).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021103147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95403 + ... + 130934.

It is an arithmetic number, because the mean of its divisors is an integer number (162963360).

Almost surely, 2^4021103142 is an apocalyptic number.

4021103142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4021103142 is an abundant number, since it is smaller than the sum of its proper divisors (6408551898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021103142 is a wasteful number, since it uses less digits than its factorization.

4021103142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226402 (or 226396 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4021103142 is about 63412.1687217840. The cubic root of 4021103142 is about 1590.1877528375.

Adding to 4021103142 its reverse (2413011204), we get a palindrome (6434114346).

The spelling of 4021103142 in words is "four billion, twenty-one million, one hundred three thousand, one hundred forty-two".